diff --git a/apps/files_external/lib/Controller/AjaxController.php b/apps/files_external/lib/Controller/AjaxController.php
index 0bee1ce977..f12f845097 100644
--- a/apps/files_external/lib/Controller/AjaxController.php
+++ b/apps/files_external/lib/Controller/AjaxController.php
@@ -73,7 +73,7 @@ class AjaxController extends Controller {
 	private function generateSshKeys() {
 		$key = $this->rsaMechanism->createKey();
 		// Replace the placeholder label with a more meaningful one
-		$key['publicKey'] = str_replace('phpseclib-generated-key', gethostname(), $key['publickey']);
+		$key['publickey'] = str_replace('phpseclib-generated-key', gethostname(), $key['publickey']);
 
 		return $key;
 	}